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Niner Air 9 Carbon Frame

The Niner Air 9 Carbon is Niner’s latest iteration of the renowned Air 9 frame. Niner has proven year after year that they’ve got the 29er hardtail geometry down to a science, which they are demonstrating yet again with the new Air 9 Carbon. Although it’s technically not an RDO, it borrows the mold and several other features previously only seen on the Air 9 RDO frame.

The Air 9 Carbon features internal cable routing (the frame is Di2 ready and side swing front derailleur compatible), thinner tube profiles, smaller junctions, carbon molded headset races, a low profile disc brake mount, and a PF30 carbon bottom bracket shell. Niner decided to go with a PF30 bottom bracket shell for the Air 9 Carbon geared-only carbon hardtail. The PF30 bottom bracket shell allows for 24mm or 30mm spindle cranks to be installed, however this frame is not compatible with an EBB (hence ‘geared-only’).

To keep this horse tame, Niner continues to use tapered headtubes in order to maintain a stiffer front end to drastically improve the overall handling and control. Additionally, Niner also decided to go with a very sleek integrated headset that is lightweight, easy to install and maintain.

This version of the Air 9 Carbon is the first to feature a 12 x 142 rear hub spacing allowing a thru axle to be used as an added measure to increase the overall stiffness of the ride while shedding roughly 50 grams. Other improvements making their debut on the Air 9 Carbon include its 2.4” tire clearance versus its previous 2.35” clearance, as well as the lighter headbadge that sheds valuable grams without expensing the Niner charm.

The new Air 9 Carbon is a stellar frame that anyone can and will enjoy. Although it’s technically not ‘Race Day Optimized’, this bike is as much at home on the XC course as it is enjoying the scenery on your weekend loop. By providing their proven hardtail geometry in a lightweight carbon frame, Niner definitely knew what they were doing when they designed the new Air 9 Carbon.

Niner Air 9 Carbon Frame Features

Niner Carbon for strength, stiffness and ride quality

142 x 12 rear spacing (over 50 grams lighter)

Tapered head tube for front end stiffness, strength and steering precision

Note: White/Black sku image is for color illustration purposes only. Upon purchasing, you will be shipped only the frame.

Niner Air 9 Geometry (100mm Fork)

Size

Extra Small

Small

Medium

Large

Extra Large

Effective Top Tube Length

575mm

590mm

607mm

626mm

645mm

Seat Tube Length

381mm

394mm

419mm

483mm

533mm

Head Tube Length

95mm

105mm

110mm

125mm

145mm

Head Angle

71.0°

71.0°

71.0°

71.0°

71.0°

Seat Angle

73°

73°

73°

73°

73°

BB Drop

54mm

54mm

54mm

54mm

54mm

Front Center

639mm

643mm

660mm

680mm

699mm

Wheel Base

1073mm

1088mm

1094mm

1114mm

1134mm

Chain Stay Length

439mm

439mm

439mm

439mm

439mm

Reach

392mm

403mm

418mm

433mm

446mm

Stack

599mm

612mm

617mm

631mm

651mm

Standover Height

688mm

724mm

744mm

796mm

837mm

Niner Air 9 RDO Frame Geometry (120mm Fork)

Size

Extra Small

Small

Medium

Large

Extra Large

Effective Top Tube Length

578mm

593mm

610mm

629mm

648mm

Seat Tube Length

381mm

394mm

419mm

483mm

533mm

Head Tube Length

95mm

105mm

110mm

125mm

145mm

Head Angle

70°

70°

70°

70°

70°

Seat Angle

72°

72°

72°

72°

72°

BB Drop

47mm

47mm

47mm

47mm

47mm

Front Center

645mm

649mm

665mm

685mm

705mm

Wheel Base

1079mm

1094mm

1100mm

1120mm

1127mm

Chain Stay Length

439mm

439mm

439mm

439mm

439mm

Reach

382mm

392mm

408mm

422mm

436mm

Stack

606mm

619mm

624mm

639mm

658mm

Standover Height

692mm

729mm

749mm

802mm

843mm

Jenson USA ships worldwide, including APO/FPO addresses. For a quote, simply add the items you are interested in to your shopping cart and look for the "Shipping Options" box. You don't have to login or create an account to see shipping charges.

Some manufacturers restrict where we can ship their products. If this item has shipping restrictions, they are listed below. If you'd like to buy an item that we cannot ship to your preferred address, we can accept your foreign credit card and ship to a USA address for you.

Get free shipping with your $50 purchase today when you choose Standard Shipping at checkout. Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items

Due to manufacturer restrictions, this product cannot be shipped to the following locations: